The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2025
Filed:
Oct. 17, 2023
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Michel Desjardins, Saint-Hubert, CA;
Eric S. Durocher, Boucherville, CA;
Guillaume Landry-Drolet, Boucherville, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/36 (2006.01); B64D 35/08 (2025.01); F02C 7/06 (2006.01); F02C 7/14 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F02C 7/06 (2013.01); F05D 2260/4023 (2013.01); F05D 2260/98 (2013.01);
Abstract
A system is provided for an aircraft. This aircraft system includes a powertrain and a first lubrication system. The powertrain includes a powerplant, a bladed rotor and a clutch system operatively coupling the powerplant to the bladed rotor. The powerplant is configured to drive rotation of the bladed rotor through the clutch system when the clutch system is engaged. The first lubrication system is fluidly coupled with and is configured to deliver first lubricant to the powerplant and the clutch system.